One of my user is not able to see all the emails when he is searching in outlook for MAC.but in OWA he is able to see all the emails. lets say in outlook if he is able to find 7 emails where as in OWA he is able to find 10 emails. Experts guide me on this as i dont have knowledge on MacBook Pro

user is using below search criteria like thisCategory is TestSubject Begin with TestSubject contains